也叫window sash,型号不一样,看窗子大小。自己就能换,修理就不必了,新的大约也就10多刀的样子.
http://www.swisco.com/discussions/Trouble-With-Atrium-Sash-Ballances-77-66310
也叫window sash,型号不一样,看窗子大小。自己就能换,修理就不必了,新的大约也就10多刀的样子.
http://www.swisco.com/discussions/Trouble-With-Atrium-Sash-Ballances-77-66310